Chennai → Siliguri
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Tamil Nadu to Sikkim · 1,842 km · Compare trains, buses & driving options
The straight-line distance from Chennai to Lachen is approximately 1,842 km (1,145 miles). By road, the distance increases to about 2,363 km due to terrain, highways, and road networks connecting Tamil Nadu to Sikkim.
Lachen does not have its own commercial airport. The nearest airport is Bagdogra (IXB). Fly to the nearest airport and continue by road or rail.
Search Flights to Nearest AirportThe train journey from Chennai to Lachen is a long one at approximately 36 hrs 21 min. Consider flying if time is a factor. If you enjoy train travel, book AC 2-Tier or AC First Class for comfort on this extended journey.
Book in advance through IRCTC, especially during festivals and holidays when seats fill up quickly.
Check Trains on IRCTCFor official travel information, regulations, and booking services:
IRCTC — Indian Railway Catering and Tourism Corporation — Book train tickets online
Airports Authority of India — Airport information and flight status
DGCA — Directorate General of Civil Aviation — Indian aviation regulator
Incredible India — Official tourism portal of India
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